21-letter words containing l, h, d

spherical coordinates — Usually, spherical coordinates. any of three coordinates used to locate a point in space by the length of its radius vector and the angles this vector makes with two perpendicular polar planes.
spotted alfalfa aphid — a pale yellowish aphid, Therioaphis maculata, of the southern U.S., especially west of the Mississippi River, that is marked with black spots and has fine spines on its back: a pest mainly of alfalfa and some other legumes, as clover.
stockholder of record — a stockholder or his or her agent whose name is registered on the books of the issuing corporation at the close of a business day set for determining that stockholders shall receive dividends or vote on an issue.
sunday school teacher — someone who teaches at a Sunday school
the antipodes islands — a group of small uninhabited islands in the South Pacific, southeast of and belonging to New Zealand. Area: 62 sq km (24 sq miles)
the fall of the cards — the chance distribution of cards in a given deal
the household cavalry — a group of British soldiers on horseback who have the job of protecting the king or queen and their family
the middle of nowhere — remote place
the moral high ground — If you say that someone has taken the moral high ground, you mean that they consider that their policies and actions are morally superior to the policies and actions of their rivals.
the oldest profession — prostitution
the san andreas fault — a geological fault in California
the slough of despond — a state of extreme despondency, depression or degradation
the women's land army — a unit of women recruited to do agricultural work in the United Kingdom during World War I and World War II
the yellow brick road — the road to success or happiness (in the film the Wizard of Oz the yellow brick road leads to Oz)
thermal decomposition — Thermal decomposition is the process in which a chemical species breaks down when its temperature is increased.
third party liability — Third party liability is insurance against money which an insured may have to pay to third parties if they accidentally cause them injury, loss, or damage.
threshold wage policy — a policy whereby wages are increased in accordance with inflation
to be hard luck on sb — to be unfortunate or unlucky for someone
to be killed outright — If someone is killed outright, they die immediately, for example in an accident.
to blow sth wide open — to expose something
to dig one's heels in — If you dig your heels in or dig in your heels, you refuse to do something such as change your opinions or plans, especially when someone is trying very hard to make you do so.
to fly off the handle — If you fly off the handle, you suddenly and completely lose your temper.
to let your hair down — If you let your hair down, you relax completely and enjoy yourself.
to live hand to mouth — If someone lives hand to mouth or lives from hand to mouth, they have hardly enough food or money to live on.
to play the race card — if someone plays the race card they bring up the issue of race in a discussion, perhaps for sympathy or to seek popularity by appealing to racist sentiment
to rear its ugly head — If something unpleasant rears its head or rears its ugly head, it becomes visible or noticeable.
to rub shoulders with — If you rub shoulders with famous people, you meet them and talk to them. You can also say that you rub elbows with someone, especially in American English.
trichloroacetaldehyde — chloral (def 1).
undesirable discharge — a discharge under other than honorable conditions of a person from military service by administrative action.
until the end of time — If you say that something will happen or be true until the end of time or to the end of time, you are emphasizing that it will always happen or always be true.
up hill and down dale — strenuously and persistently
vertically challenged — short in stature.
weak head normal form — (reduction, theory) (WHNF) A lambda expression is in weak head normal form (WHNF) if it is a head normal form (HNF) or any lambda abstraction. I.e. the top level is not a redex. The term was coined by Simon Peyton Jones to make explicit the difference between head normal form (HNF) and what graph reduction systems produce in practice. A lambda abstraction with a reducible body, e.g. \ x . ((\ y . y+x) 2) is in WHNF but not HNF. To reduce this expression to HNF would require reduction of the lambda body: (\ y . y+x) 2 --> 2+x Reduction to WHNF avoids the name capture problem with its need for alpha conversion of an inner lambda abstraction and so is preferred in practical graph reduction systems. The same principle is often used in strict languages such as Scheme to provide call-by-name evaluation by wrapping an expression in a lambda abstraction with no arguments: D = delay E = \ () . E The value of the expression is obtained by applying it to the empty argument list:
well-ordering theorem — the theorem of set theory that every set can be made a well-ordered set.
what the future holds — If you wonder what the future holds, you wonder what will happen in the future.
when the dust settles — If you say that something will happen when the dust settles, you mean that a situation will be clearer after it has calmed down. If you let the dust settle before doing something, you let a situation calm down before you try to do anything else.
whistling in the dark — If you say that someone is whistling in the dark, you mean that they are trying to remain brave and convince themselves that the situation is not as bad as it seems.
white-knuckle paddler — an inexpert and timid canoeist.
wholesale price index — an indicator of price changes in the wholesale market
wildlife photographer — someone that specializes in taking photographs of wild animals, especially in their natural habitats, and plants
yellow-throated vireo — an olive-green vireo, Vireo flavifrons, of eastern North America, having a bright yellow throat and breast.

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